a

.github/workflows/test.yml

@@ -1,6 +1,6 @@
 name: CI
 
-on: [push]
+on: [pull_request]
 
 jobs:
   build:
@@ -10,7 +10,6 @@ jobs:
       image: utyosu/build-rails:latest
 
     steps:
-    - run: |
-        BRANCH_NAME=`echo "${GITHUB_REF}" | sed "s/^\(refs\/heads\/\|refs\/remotes\/\)//"`
-        echo ${BRANCH_NAME}
-        /app/run.sh https://github.com/${GITHUB_REPOSITORY}.git ${BRANCH_NAME} tools/cloud_build/test.sh
+    - uses: actions/checkout@master
+    - name: run test
+      run: . tools/cloud_build/test.sh

tools/cloud_build/Dockerfile

@@ -5,9 +5,10 @@ FROM ubuntu:16.04
 
 SHELL ["/bin/bash", "-c"]
 
-ENV DEBIAN_FRONTEND="noninteractive"
 ENV RUBY_VERSION="2.5.1"
 ENV BUNDLER_VERSION="2.1.4"
+ENV DEBIAN_FRONTEND="noninteractive"
+ENV PATH=/root/.rbenv/bin:/root/.rbenv/shims:$PATH
 
 WORKDIR /app
 
@@ -39,5 +40,3 @@ RUN set -x \
   && /root/.rbenv/shims/bundle config set without development \
   && /root/.rbenv/shims/bundle install \
   && rm Gemfile Gemfile.lock
-
-COPY /tools/cloud_build/run.sh .